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madam [21]
3 years ago
13

The data below shows the temperature of the water in a swimming pool over a two week period.

Mathematics
1 answer:
Sergeeva-Olga [200]3 years ago
5 0

Answer:

  18 °F

Step-by-step explanation:

The means are calculated in the usual way: add up the numbers and divide by the number of them. When there are a bunch of numbers, it is convenient to let a calculator or spreadsheet compute the mean for you.

In the attached, we see the mean for week 1 is 52°, and in week 2, it is 70°. The mean is 70° -52° = 18° greater in week 2.

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oee [108]

Answer:

Step-by-step explanation:

let  cos^{-1}x=t

cos t=x

when x=1,cos t=1=cos 0

t \rightarrow 0

\lim_{x \to 1} \frac{1-\sqrt{x}}{(cos ^{-1}x)^2 } \\= \lim_{t \to 0} \frac{1-\sqrt{cos~t}}{t^2} \times \frac{1+\sqrt{cos~t}}{1+\sqrt{cos ~t}} \\= \lim_{t \to 0} \frac{1-cos~t}{t^2(1+\sqrt{cos~t})}}  \\= \lim_{t \to 0 }\frac{2 sin^2~\frac{t}{2}}{t^2(1+\sqrt{cos~t})}} \\= 2\lim_{t \to 0 }(\frac{sin~t/2}{\frac{t}{2} })^2 \times \frac{1}{4} \times  \lim_{t \to 0 }\frac{1}{1+\sqrt{cos~t}} \\=\frac{2}4} \times 1^2 \times \frac{1}{1+\sqrt{cos~0}} \\=\frac{1}{2} \times \frac{1}{1+1} \\=\frac{1}{4}

4 0
3 years ago
A 6 pound bag of oranges cost 6.78 What is the unit price?
oksano4ka [1.4K]

Answer:

$1.13

Step-by-step explanation:

Since 6 pound bag of oranges costs $6.78...

\frac{6.78}{6}

Now, let's divide 6.78 in to 6 to find our unit price.

\frac{1.13}{1}

Now we know 1 pound, (our unit price), costs...

$1.13

5 0
3 years ago
Completing the square
kogti [31]
Please provide a square, thank you !!!
8 0
3 years ago
A paper cup holds a volume of 6 fluid ounces. Is the volume of 6 paper cups greater than 5 cups?
joja [24]

Answer:

No

Step-by-step explanation

8 oz per cup meaning 40oz in 5 paper cups

6 oz per paper cup meaning 36 oz in 6 paper cups

4 0
3 years ago
The medians of triangle XYZ intersect at Point P. If PY=12, what is VY?
AlekseyPX

Answer:

18

Step-by-step explanation:

PY = \frac{2}{3} YV

\frac{2}{3} YV = 12

VY = 18

3 0
3 years ago
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